public class Calculator {
	
	
	public static int add(int a,int b){
		return a+b;
	}
	
	public static int subtract(int a, int b){
		return a - b;
	}
	
	public static int multiply(int a,int b){
		return a*b;
	}
	
	public static int divide(int a,int b){
		return a / b;
	}

}
